NH82801FBM S L89K Intel, NH82801FBM S L89K Datasheet - Page 672
NH82801FBM S L89K
Manufacturer Part Number
NH82801FBM S L89K
Description
Manufacturer
Intel
Datasheet
1.NH82801FBM_S_L89K.pdf
(786 pages)
Specifications of NH82801FBM S L89K
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Intel
18.2.39
672
®
High Definition Audio Controller Registers (D27:F0)
SDFIFOS—Stream Descriptor FIFO Size Register
(Intel
Memory Address: Input Stream[0]: HDBAR + 90h Attribute:Input: RO
Default Value:
15:8
Bit
7:0
®
Reserved.
FIFO Size — RO (Input stream), R/W (Output stream). Indicates the maximum number of bytes that
could be fetched by the controller at one time. This is the maximum number of bytes that may have
been DMA’d into memory but not yet transmitted on the link, and is also the maximum possible value
that the PICB count will increase by at one time.
The value in this field is different for input and output streams. It is also dependent on the Bits per
Samples setting for the corresponding stream. Following are the values read/written from/to this
register for input and output streams, and for non-padded and padded bit formats:
Output Stream R/W value :
NOTES:
Input Stream RO value :
NOTE: The default value is different for input and output streams, and reflects the default state of
1. All other values not listed are not supported.
2. When the output stream is programmed to an unsupported size, the hardware sets itself to the
3. Software must read the bit field to test if the value is supported after setting the bit field.
High Definition Audio Controller—D27:F0)
BFh = 192B
7Fh = 128B
FFh = 256B
9Fh = 160B
77h = 120B
0Fh = 16B
1Fh = 32B
3Fh = 64B
default value (BFh).
Value
Value
the BITS fields (in Stream Descriptor Format registers) for the corresponding stream.
Input Stream[1]: HDBAR + B0h Output: R/W
Input Stream[2]: HDBAR + D0h
Input Stream[3]: HDBAR + F0h
Output Stream[0]: HDBAR + 110h
Output Stream[1]: HDBAR + 130h
Output Stream[2]: HDBAR + 150h
Output Stream[3]: HDBAR + 170h
Input Stream: 0077h
Output Stream: 00BFh
8, 16, 20, 24, or 32 bit Output Streams
8, 16, 20, 24, or 32 bit Output Streams
8, 16, 20, 24, or 32 bit Output Streams
8, 16, 20, 24, or 32 bit Output Streams
8, 16, or 32 bit Output Streams
8, 16, 32 bit Input Streams
20, 24 bit Output Streams
20, 24 bit Input Streams
Output Streams
Input Streams
Intel
Description
®
I/O Controller Hub 6 (ICH6) Family Datasheet
Size:
16 bits
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